Base | Representation |
---|---|
bin | 100000001101000111110… |
… | …000101110011111010111 |
3 | 21211120102120212220012102 |
4 | 200031013300232133113 |
5 | 242224423200104421 |
6 | 4412404545112315 |
7 | 315614660402054 |
oct | 40150760563727 |
9 | 7746376786172 |
10 | 2213112113111 |
11 | 7836371016a9 |
12 | 2b8aba92869b |
13 | 13090724a353 |
14 | 7918816202b |
15 | 3c87c64c60b |
hex | 20347c2e7d7 |
2213112113111 has 4 divisors (see below), whose sum is σ = 2215136919432. Its totient is φ = 2211087306792.
The previous prime is 2213112113083. The next prime is 2213112113117. The reversal of 2213112113111 is 1113112113122.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2213112113111 - 234 = 2195932243927 is a prime.
It is a super-3 number, since 3×22131121131113 (a number of 38 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2213112113117) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012401521 + ... + 1012403706.
It is an arithmetic number, because the mean of its divisors is an integer number (553784229858).
Almost surely, 22213112113111 is an apocalyptic number.
2213112113111 is a deficient number, since it is larger than the sum of its proper divisors (2024806321).
2213112113111 is a wasteful number, since it uses less digits than its factorization.
2213112113111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2024806320.
The product of its digits is 72, while the sum is 20.
Adding to 2213112113111 its reverse (1113112113122), we get a palindrome (3326224226233).
The spelling of 2213112113111 in words is "two trillion, two hundred thirteen billion, one hundred twelve million, one hundred thirteen thousand, one hundred eleven".
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